Being named the worst company in America two years in a row was a wake-up call for the video game maker. Interviews with current and former executives, employees and partners show how EA changed the way it worked as it tries to redeem itself.

They are cornerstones of the economic, political and social landscape: Part one of a series looks at how these conglomerates -- like Samsung, LG and Hyundai -- saved South Korea from crushing poverty and defined a country's role on the global stage.